EP 1363160 A1 20031119 - Copyright protection system for photographic materials
Title (en)
Copyright protection system for photographic materials
Title (de)
Urheberrechtsschutzsystem für photographische Materialien
Title (fr)
Système de protection de droits d'auteur pour des matériaux photographiques
Publication
Application
Priority
GB 0211049 A 20020515
Abstract (en)
A method of processing photosensitive materials in which one or more chemical compounds are at least partially retained after processing. The chemical compounds are unique to a particular process used by a copyright owner. The absence of the unique compounds in a processed material thus indicates that the processing has been without the authorisation of the copyright owner.
IPC 1-7
IPC 8 full level
G03C 7/30 (2006.01); G03C 11/00 (2006.01); G03C 5/26 (2006.01)
CPC (source: EP US)
G03C 7/3046 (2013.01 - EP US); G03C 5/268 (2013.01 - EP US); G03C 2001/0158 (2013.01 - EP US); Y10S 430/134 (2013.01 - EP US); Y10T 436/11 (2015.01 - EP US)
Citation (search report)
- [X] US 3185571 A 19650525 - JULIUS THIERS ROBRECHT, et al
- [X] GB 1286111 A 19720823 - KMS IND INC [US]
- [X] US 3748138 A 19730724 - BISSONETTE V
- [X] EP 0287073 A2 19881019 - FUJI PHOTO FILM CO LTD [JP]
- [A] US 5717381 A 19980210 - JAGIELINSKI TOMASZ MAREK [US], et al
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1363160 A1 20031119; GB 0211049 D0 20020626; JP 2003344981 A 20031203; US 2003215757 A1 20031120; US 6767681 B2 20040727
DOCDB simple family (application)
EP 03009672 A 20030430; GB 0211049 A 20020515; JP 2003136389 A 20030514; US 43712603 A 20030513